Question 98276
.07*X+.03(24,000-X)=880
.07X+720-.03X=880
.04X=880-720
.04X=160
X=160/.04
X=4000 INVESTED @ 7%.
24,000-4,000=20,000 INVESTED @ 3%.
PROOF
.07*4000+.03*20,000=880
280+600=880
880=880